Re: [boost] [Predef] Pre-review comments

Subject: Re: [boost] [Predef] Pre-review comments
From: Rene Rivera (grafikrobot_at_[hidden])
Date: 2012-02-25 17:15:04

On 2/22/2012 3:28 AM, Mathias Gaunard wrote:
> On 02/22/2012 07:17 AM, Rene Rivera wrote:
>> On 2/19/2012 6:37 AM, Mathias Gaunard wrote:
>
>>> My use-cases
>> [...]
>>> - Work-around a bug in the GCC backend
>>
>> Is that with a non-GCC front end?
>
> The bug in question is in the GCC backend, more precisely in the RTL
> optimization passes.
> I don't really care what frontend is used as long as code eventually
> gets through there.
>
> In practice, GCC should be the only compiler to use the GCC backend.
> I know that there are compilers though, that use the GCC frontend but
> another backend, such as DragonEgg.
>
> LLVM doesn't have this bug so I'd rather not add the workaround when
> compiling with DragonEgg.

I'm not sure if there's much that can be done about detecting the 
various back-ends vs. front-ends as Predef only deals with reflecting 
what the compiler is saying about itself.

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